Sewage Cleanup in San Antonio, TX
A sewage backup in your San Antonio home is a health problem before it is a cleaning job. We answer 24/7, and our crew arrives in protective gear to close off the area, remove the waste water and disinfect everything it touched. Until then, keep children and pets out of the affected rooms and stop running sinks, tubs, toilets and the washer. We handle the cleanup, the drying and the rebuild, and we work with your insurance company from the first call.
Updated September 2026
Sewage Cleanup Services for Every Kind of Backup
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Toilet, tub and shower overflows caused by a blocked main line
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Backups that surface through floor drains and ground-floor fixtures
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Extraction of sewage and contaminated water from tile, carpet and wood
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Removal of carpet, pad, drywall and insulation that sewage soaked into
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Cleaning and disinfecting the slab, the framing and every hard surface
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Deodorizing at the source once the cleanup is done, not with a cover scent
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Drying the structure so the cleaned areas stay clean
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Cleanup of salvageable hard-surface belongings, and a list of what cannot be kept
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Sewage spills in restaurants, offices, rental units and public restrooms
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Rebuilding floors, walls, trim and cabinets after the cleanup
Where Sewage Backups Start in a Slab Home
Almost every house around San Antonio sits on a concrete slab, so there is no basement to take an overflow. When the sewer line between your house and the street blocks, waste water has nowhere to go but up, and it comes out of the lowest drain in the house first. That is usually a shower, a tub or a ground-floor toilet, and often the one closest to where the line leaves the house.
Roots are a common reason. Mature trees send roots into small cracks and loose joints in older clay and cast-iron lines, and over time the roots catch everything that flows past. A plumber clears the line; we clean up what it left behind and make the rooms safe to use again.
Signs your main line is backing up, not just one clogged drain:
- warningMore than one drain is slow or gurgling at the same time
- warningFlushing a toilet makes water rise in a nearby tub or shower
- warningRunning the washer pushes water up through a floor drain
- warningA sewer smell inside the house that does not clear after airing out
- warningWater or waste around the cleanout cap in the yard
Our Sewage Cleanup Process, Step by Step
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Contain the Area and Protect Your Family
Our crew arrives in protective gear, closes off the affected rooms and controls the airflow so contamination does not travel through the rest of your house.
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Remove the Sewage and Everything It Soaked
We extract the standing waste water, then take out the porous materials it reached, such as carpet and pad, the bottom of the drywall and wet insulation. Those cannot be cleaned safely, so they go.
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Clean and Disinfect Every Surface
We scrub the slab, the framing and the hard surfaces, then apply a disinfectant made for sewage contamination. Nothing gets closed back up until it has been cleaned and disinfected.
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Dry and Confirm the Area Is Ready
Air movers and dehumidifiers dry the structure, and we take moisture readings until the wall cavities and the slab are dry enough to rebuild on.
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Rebuild and Hand the Room Back
We replace the drywall, flooring, trim and cabinets we removed, so the room you get back looks the way it did before the backup.
Sewage Cleanup for Homes and Commercial Buildings
For your home: We move fast because your family has to use the kitchen and the bathrooms. If only one part of the house is affected, we seal it off so you can stay in the rest, and we tell you honestly when it is better to be somewhere else for a night or two.
For your business: A backup in a restaurant, office or apartment building affects your customers and tenants as well as the floor. We work after hours where we can, keep the spill contained to the rooms it reached, and give you the written cleanup record your health inspector, landlord or carrier may ask for.
Why San Antonio Calls Doan for Sewage Cleanup
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IICRC-certified technicians trained in contaminated water cleanup
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Licensed and insured, with crews in full protective gear on every job
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Locally owned and based in San Antonio, not dispatched from out of town
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We answer 24/7 and send a crew within 60 minutes of your call
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We work alongside your plumber so the line is cleared and the cleanup starts the same day
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Direct billing to your insurance company when your policy covers the backup
Sewage Backups and Your Insurance Policy
Many Texas homeowners policies do not cover water that backs up through sewers and drains unless a water backup endorsement was added to the policy. Look for that line on your declarations page, or send the page to us and we will read it with you.
Water that overflows from a sudden plumbing failure inside the house can be handled differently from a backup out of the main line, so the source matters. Your plumber finds the cause; we document the damage and the cleanup so your adjuster can decide each part quickly.
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Photos and moisture readings of every affected room before we remove anything
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A written list of the materials we removed and why they could not be cleaned
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Your plumber's findings kept with our cleanup file in one claim package
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Direct billing to your carrier for the work the policy covers
Cities We Serve for Sewage Cleanup
We handle sewage backups across the metro from our north San Antonio office. Select your city for local details.
Reach Our Sewage Cleanup Crew
Call (214) 267-8606 now if sewage is coming up into your home or business. For anything that can wait, leave your details below and we will call you back.
Sewage in the House? Stop Using the Drains and Call Us.
We contain it, clean it, disinfect it and rebuild, and we keep your plumber and your insurance company in the loop.